Samuel Birch, History of Ancient Pottery: Greek…
“ Thus, all the deities are draped, and their costume differs in no respect from that worn by mortals; all alike wear the chiton, himation, or chlamys, and ornamentation of the drapery with embroidered patterns is no mark of distinction. It is only as the art advances in the B.F. period that the necessity for differentiation makes itself felt, and each deity becomes individualised by some peculiarity of costume or special attribute which makes it possible to recognise them without difficulty. ”
